The National Society of Newspaper Columnists still wants Diana Griego Erwin as a speaker next month, despite her Wednesday resignation from The Sacramento Bee over allegations that the paper could not verify the existence of some people mentioned in her columns. Erwin, who has denied fabricating sources, told the NSNC today that she's still coming to its June 23-26 conference in Grapevine, Texas. She is scheduled to speak the morning of June 24. "She's one of the best columnists in America -- and she has a real story to tell now," said Fort Worth Star-Telegram columnist/conference host Dave Lieber, who...